HELPP

What was the bl manga where a college student, i think, bumped into a foreign actor(but the college boi didnt know) then the foreign actor wanted to like spend time with the boi for some time. They went on a date ofc then as a thank you, the foreign actor did sum things then he was gone when the college boi woke up then they met on the street then the college boi realized he was the actor in the movie they watched.